20171333

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 26966880

約数和(自身を除く): 6795547

約数列:

[1, 7, 13, 17, 59, 91, 119, 169, 221, 289, 413, 767, 1003, 1183, 1547, 2023, 2873, 3757, 5369, 7021, 9971, 13039, 17051, 20111, 26299, 48841, 69797, 91273, 119357, 169507, 221663, 341887, 1186549, 1551641, 2881619, 20171333]

約数ペア:

[(1, 20171333), (7, 2881619), (13, 1551641), (17, 1186549), (59, 341887), (91, 221663), (119, 169507), (169, 119357), (221, 91273), (289, 69797), (413, 48841), (767, 26299), (1003, 20111), (1183, 17051), (1547, 13039), (2023, 9971), (2873, 7021), (3757, 5369)]